CVE-2023-54214
Bluetooth: L2CAP: Fix potential user-after-free
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb which may release the chan lock and reacquire later which makes it possible that the chan is disconnected in the meantime.
INFO
Published Date :
Dec. 30, 2025, 1:16 p.m.
Last Modified :
Dec. 30, 2025, 1:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2023-54214
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Apply the Linux kernel patch for Bluetooth L2CAP.
- Ensure proper buffer allocation and lock handling.
- Test the fix in a controlled environment.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-54214.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-54214 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-54214
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-54214 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-54214 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dec. 30, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb which may release the chan lock and reacquire later which makes it possible that the chan is disconnected in the meantime. Added Reference https://git.kernel.org/stable/c/31a288a4df7f6a28e65da22a4ab2add4a963738e Added Reference https://git.kernel.org/stable/c/60aaccf16d1e099c16bebfb96428ae762cb528f7 Added Reference https://git.kernel.org/stable/c/64e28ecf44e46de9f01915a4146706a21c3469d2 Added Reference https://git.kernel.org/stable/c/994e3e18908f5c4a12d07b44018e6aa85f071048 Added Reference https://git.kernel.org/stable/c/a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49 Added Reference https://git.kernel.org/stable/c/b2fde8cb2a25125111f2144604e0e7c0ebcc4bba Added Reference https://git.kernel.org/stable/c/b8ed41cc04fb74005aa51d17865ca3d022760335 Added Reference https://git.kernel.org/stable/c/df5703348813235874d851934e957c3723d71644